1
KCET 2019
MCQ (Single Correct Answer)
+1
-0
In the reaction of gold with aquaregia, oxidation state of nitrogen changes from
2
KCET 2018
MCQ (Single Correct Answer)
+1
-0
For the redox reaction
$$ \begin{aligned} x \mathrm{MnO}_4^{-}+y \mathrm{H}_2 \mathrm{C}_2 \mathrm{O}_4+ & z \mathrm{H}^{+} \longrightarrow \\ & m \mathrm{Mn}^{2+}+n \mathrm{CO}_2+p \mathrm{H}_2 \mathrm{O} . \end{aligned} $$
The values of $x, y, m$ and $n$ are
3
KCET 2018
MCQ (Single Correct Answer)
+1
-0
$\mathrm{KMnO}_4$ acts as an oxidising agent in alkaline medium. When alkaline $\mathrm{KMnO}_4$ is treated with KI , iodide ion is oxidised to
4
KCET 2017
MCQ (Single Correct Answer)
+1
-0
Extraction of chlorine from brine solution is based on
Questions Asked from Redox Reactions (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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